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- W4310584730 abstract "To facilitate Guided Waves (GWs) communication in terms of hardware simplification and cost reductions, shaped transducers with inherent directional properties can be used. A promising example of such devices is provided by Frequency Steerable Acoustic Transducers (FSATs), where the propagation direction of waves is controlled by the frequency content of the transmitted/acquired signals, thanks to the spatial filtering effect. These peculiar characteristics make the FSAT devices particularly suited for implementation of frequency-based modulation protocols, in which the signal content assigned to each user is uniquely encoded by a corresponding carrier tone. In this work, the special directivity of FSATs is paired with a novel encoding strategy, which is based on a combination of Chirp Spread Spectrum (CSS) and Frequency Hopping (FH) multiplexing, similar to the LoRaWan solution adopted in radio-frequency environments. The devised strategy is aimed at suppressing the inherent destructive interference due to GWs dispersion and multi-path fading." @default.
- W4310584730 created "2022-12-12" @default.
- W4310584730 creator A5050594256 @default.
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- W4310584730 date "2022-10-10" @default.
- W4310584730 modified "2023-09-27" @default.
- W4310584730 title "A Combination of Chirp Spread Spectrum and Frequency Hopping for Guided Waves-based Digital Data Communication with Frequency Steerable Acoustic Transducers" @default.
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- W4310584730 doi "https://doi.org/10.1109/ius54386.2022.9958662" @default.
- W4310584730 hasPublicationYear "2022" @default.
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